What Is Relational Database Management System (RDMS)?
Database systems are an important part of the IT system. Relational Database Management System is a database that mainly stored …
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Oracle
What Is Wildcard Character(s)?
The wildcard character generally acts like an asterisk character. The wildcard is generally used in programming, scripting, IT in order …
Select For SQL, HTML and jQuery
Select is a very special term used in different programming languages, frameworks or database statements. In this tutorial we will …
What Is A Query (Database Query)?
Query is a request to an information system to get information for the specific information in which parameters are defined …
SQL Comments Tutorial with Example
SQL is a defacto language used to manage, query, select, filter data in a relational database. Similar to the programming …
SQL UPDATE Statement and Query with Examples
SQL databases provide structured data storage capabilities. We can store data in tables with columns and rows. Other useful features …
Oracle “ORA-12162: TNS:net service name is incorrectly specified” Error and Solution
During the connection to the Oracle Database server with the sqlplus we may get an error with the ORA-12162 specifier. This …
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Oracle Database “sqlplus: error while loading shared libraries: libsqlplus.so” Error and Solution
sqlplus or sqlplus64 tools are used to connect and manage Oracle Databases. sqlplus64 is 64 bit version of the sqlplus. …
How To Install Oracle Express Edition (XE) 18 On Linux?
Oracle is very popular database which is used by big enterprises, banks, governments etc. Oracle Database provides a lot of …
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How To Create, Use and Delete SQL View?
SQL Programming language and SQL Database engines provide some useful mechanisms in order to make management of the data easier. …